Data Sheet

©2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FODM121 Series, FODM124, FODM2701, FODM2705 Rev. 1.7 6
FODM121 Series, FODM124, FODM2701, FODM2705 — 4-Pin Full Pitch Mini-Flat Package Phototransistor Optocouplers
Typical Performance Curves (Continued)
T
A
= 25°C unless otherwise specified.
CTR – Current Transfer Ratio (%)
CTR – Normalized Current Transfer Ratio (%)
I
CEO
- Collector Dark Current (nA)Switching Time (μs)
Fig 9. Collector Dark Current vs. Ambient
Temperature (FODM121/2701/2705)
T
A
- Ambient Temperature (°C) T
A
- Ambient Temperature (°C)
-40 -20 0 20 40 60 80 100 120
0.1
1
10
100
1000
10000
V
CE
= 40V
Fig. 10 Normalized Current Transfer Ratio vs.
Ambient Temperature
(FODM121/2701/2705)
-40 -20 0 20 40 60 80 100 120
20
40
60
80
100
120
140
160
I
F
= 5mA
V
CE
= 5V
Normalized to T
A
= 25
o
C
Fig. 11 Switching Time vs. Load Resistance
(FODM121/2701/2705)
R
L
- Load Resistance (kΩ)
1 10 100
1
10
100
1000
V
CC
= 5V
T
A
= 25
o
C
t
OFF
t
ON
I
F
= 16mA
t
S
I
F
= 5mA
Fig. 1 2 Collector-Emitter Saturation Voltage
vs. Ambient Temperature
(FODM124)
T
A
- Ambient Temperature (°C)
-40 -20 0 20 40 60 80 100 120
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
I
F
= 1mA
I
C
= 0.5mA
Fig. 13 Current Transfer Ratio vs.
Forward Current (FODM124)
I
F
- Forward Current (mA)
0.1 1 10
10
100
T
A
= 25°C
V
CE
= 0.5V
Fig 1 4 . Collector Current vs. Forward Current
(FODM124)
I
F
- Forward Current (mA)
0.1 1 10
0.01
0.1
1
10
T
A
= 25°C
V
CE
= 0.5V
V
CE(sat)
- Collector-Emitter Saturation Voltage(V)
I
C
- Collector Current (mA)